วัดอุณภูมิ DHT+LCD 16*2

#include <LiquidCrystal_PCF8574.h>
#include <Wire.h>
#include <DHT.h>
LiquidCrystal_PCF8574 lcd(0x27);
int show;
DHT dht;
void setup()
{
  dht.setup(3);
  lcd.setBacklight(255);
  lcd.begin(16,2);
  Serial.begin(9600);

}

void loop() {
  float Temp = dht.getTemperature();
  float Humidity = dht.getHumidity();
 
  lcd.setCursor(1,0);
  lcd.print("Temp:");
  lcd.print(Temp,1);
  lcd.print("c");
  lcd.setCursor(1,1);
  lcd.print("Humidity:");
  lcd.print(Humidity,1);
  lcd.print("h");
  delay(2500);

 
  Serial.print(" Temp: ");
  Serial.print(Temp,1);
  Serial.print("c");
  Serial.print("\n------------------\n");
  Serial.print("Humidity:");
  Serial.print(Humidity,1);
  Serial.print("h");
  delay(500);

}